Computer system to prevent collision between moving objects such as aircraft moving from one sector to another

摘要

A method and system of preventing collisions between aircraft comprising defining an imaginary airspace around the center of each aircraft, the airspace having a given radius (R) and height (H), and moving with and at the same velocity as the aircraft. An imaginary airspace having zero velocity is defined around objects of terrain and the parameters of each defined airspace are updated as the corresponding aircraft travels. The parameters of each aircraft defined airspace is compared one at a time with the parameters of all other defined airspaces within a discrete altitute band under predetermined criteria to determine whether there is an existing or future travel course conflict, and an indication is produced in the event such a conflict is determined.